Re: Why clearing the VM doesn't require registering vm buffer in wal record
Robert Haas <robertmhaas@gmail.com>
From: Robert Haas <robertmhaas@gmail.com>
To: Melanie Plageman <melanieplageman@gmail.com>
Cc: Andres Freund <andres@anarazel.de>, Matthias van de Meent <boekewurm+postgres@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>,
Heikki Linnakangas <hlinnaka@iki.fi>
Date: 2026-06-26T20:05:55Z
Lists: pgsql-hackers
On Tue, Jun 23, 2026 at 7:55 PM Melanie Plageman <melanieplageman@gmail.com> wrote: > I've done this in attached v3. I've only included proposed changes to > 18, as this ended up being a pretty invasive refactor that I'd like to > get feedback on first. I'm finding that these patches don't apply cleanly to the latest sources. [robert.haas pgsql]$ git log -n1 --oneline 4df5fe3833a (HEAD -> master, origin/master, origin/HEAD) Make crosstabview honor boolean/null display settings [robert.haas pgsql]$ patch -p1 < ~/Downloads/v3-0001-Alias-WAL-block-references-for-some-record-types.patch patching file 'src/backend/access/heap/heapam.c' 1 out of 10 hunks failed--saving rejects to 'src/backend/access/heap/heapam.c.rej' patching file 'src/backend/access/heap/heapam_xlog.c' 1 out of 16 hunks failed--saving rejects to 'src/backend/access/heap/heapam_xlog.c.rej' patching file 'src/include/access/heapam_xlog.h' Apparently these patches are based on an old commit, or you have some other local patches. Can you specify a commit to apply them to, and/or rebase? -- Robert Haas EDB: http://www.enterprisedb.com
Commits
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the thread's linked commits as JSON, with link sources.
API reference →
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Revamp the WAL record format.
- 2c03216d8311 9.5.0 cited
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Allow I/O reliability checks using 16-bit checksums
- 96ef3b8ff1cf 9.3.0 cited
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Make the visibility map crash-safe.
- 503c7305a1e3 9.2.0 cited